Dr. Czarina J. Roxas, MD

  • Santa Monica, CA
  • Emergency medicine physician
NPI1467676353PAC ID7618068529
Medicare services, 2024
245
Medicare patients, 2024
182
Part D claims, 2024
148
Publications
1
MIPS score, 2024
97
Practice address
901 Wilshire Blvd Fl 1 Fl 1, Santa Monica, CA 90401-1854
Practice phone
Call (310) 829-8903
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Saint John's Physician Partners

Primary care practice · Santa Monica, California

See all 7 affiliations

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Dr. Czarina J. Roxas is an emergency medicine physician in Santa Monica, California

Dr. Roxas practices at Saint John's Physician Partners in Santa Monica, California.

Dr. Roxas' NPI, 1467676353, was assigned on April 12, 2007. Dr. Roxas graduated from Uconn School Of Medicine in 2003. Dr. Roxas holds California license A107056.

NPI and contact details
Medicare PAC ID
7618068529
NPI enumeration date
April 12, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(310) 829-8903
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
49
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Czarina J. Roxas practices at Saint John's Physician Partners in Santa Monica, California

Dr. Roxas' primary practice is Saint John's Physician Partners, at 901 Wilshire Blvd Fl 1 Fl 1, Santa Monica, CA 90401-1854. The practice phone is (310) 829-8903.

  • Saint John's Physician Partners
    901 Wilshire Blvd Fl 1 Fl 1, Santa Monica, CA 90401-1854Phone(310) 829-8903

Source: Dmand AI Affiliation Data

Dr. Czarina J. Roxas is affiliated with 4 sites of care and 3 medical groups

Dr. Roxas' primary practice is Saint John's Physician Partners in Santa Monica, California. Dr. Roxas is also affiliated with Providence Saint John's Health Center. The medical group on file is Saint John's Physician Partners. Dmand AI also links Dr. Roxas to 2 more group practices and clinics and 2 medical groups, each named with a free account.

See all 7 affiliations for Dr. Roxas

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Czarina J. Roxas' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Roxas practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Saint John's Physician PartnersAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Czarina J. Roxas is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Roxas' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Roxas is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Roxas' licenses on file in 3 states: California, Massachusetts and New York.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense A107056 · 2009 to 2027 · taxonomy 207P00000X
  • Massachusetts licenseLicense 235338 · 2008 to 2011
  • New York license2006 to 2011

Emergency medicine physicians near Dr. Roxas

Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Czarina J. Roxas billed Medicare for 245 services in 2024

CMS data shows 245 Medicare services from Dr. Roxas across 8 procedure codes in 2024, for 182 Medicare patients. Medicare paid $16,128 for them.

Medicare services, 2024245
Medicare patients182
Paid by Medicare$16,128
Procedure codes8

Dr. Roxas' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2112024: 13436%
Tests and treatments
2023: 2202024: 7765%
Lab and pathology
2023: 192024: 2216%
Imaging
2023: 02024: 12

Where Dr. Roxas' Medicare services took place, 2024

  • In an office13354%
  • In a facility11246%

Dr. Roxas compared with the California median for emergency medicine physicians, 2024

  • Dr. Roxas
  • California median
Medicare services
245vs 2658% below
Medicare patients
182vs 24325% below
Part D claims
39vs 6237% below

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Roxas' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Roxas

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Roxas and other emergency medicine physicians in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Czarina J. Roxas treated 182 Medicare patients in 2024, average age 76

CMS counts 182 Medicare patients who saw Dr. Roxas in 2024. The largest group is 65 to 74, with 70 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Roxas' median patient age at 58, with 62% women.

Medicare patients, 2024182
Average age76
Average risk score1.66
Also on Medicaid19%

Dr. Roxas' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Roxas' Medicare patients by sex, 2024

  • Women10457%
  • Men7843%

Chronic conditions among Dr. Roxas' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis57%
  4. Ischemic heart disease47%
  5. Mood disorders40%
  6. Anxiety37%
  7. Depression37%
  8. Diabetes30%

Share of Medicare patients with each condition. A patient can have several.

Dr. Roxas' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women62%
  • Men38%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Czarina J. Roxas wrote 148 Medicare Part D claims in 2024

In 2024, Dr. Roxas wrote 148 Medicare Part D claims for 102 patients. 90% of them were for generic drugs. CMS names the drug for 39 of them, across 2 drugs with 11 or more claims each, at $213 in total drug cost. In 2023, CMS named 11 claims across 1 drug.

Part D claims, 2024148
Drugs named by CMS2
Total drug cost$213
Part D patients102

Dr. Roxas' Part D claims by kind of drug, 2024

  • Generic133 claims90%
  • Brand-name and other15 claims10%

Dr. Roxas' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Roxas' Part D claims, 2024

  • Antibiotics41%61 of 148 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 112024: 39255%

Drugs named by CMS: 2 in 2024, 1 in 2023.

See all prescribing by Dr. Roxas

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Czarina J. Roxas scored 97 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Roxas for performance year 2024, reported as part of a group. Dr. Roxas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Roxas' MIPS scores, performance year 2024

  • 97of 100Final score
  • 90of 100Quality
  • 40of 100Improvement Activities
  • 78of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

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Dr. Czarina J. Roxas has 1 publication on record

Dmand AI links 1 paper to Dr. Roxas.

Papers1

Recent publications by Dr. Roxas

See all 1 publications and co-authors

See who Dr. Roxas researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Roxas works with, so you can find a warm path to the right emergency medicine physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Czarina J. Roxas received $110 in industry payments from 2017 to 2025

CMS Open Payments shows 5 general payments to Dr. Roxas from 3 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $44.

General payments to Dr. Roxas by program year, 2017 to 2025

Companies that paid Dr. Roxas the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Roxas

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Czarina J. Roxas graduated from Uconn School Of Medicine

Dr. Roxas graduated from Uconn School Of Medicine in 2003.

  1. Medical schoolUconn School Of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. Czarina J. Roxas accepts plans from 14 insurance carriers

Dr. Roxas is in network with 14 carriers, including United Healthcare, Elevance and Aetna. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • United Healthcare
  • Elevance
  • Aetna
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Molina
  • Alliant Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • +6 more carriersWith a free account

Plan types Dr. Roxas accepts, by number of carriers

  1. PPO8
  2. HMO7
  3. EPO3
  4. Medicare3
  5. Medicaid1
  6. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Czarina J. Roxas's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Czarina J. Roxas

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Czarina J. Roxas' NPI number?

Dr. Czarina J. Roxas' NPI number is 1467676353. It was assigned on April 12, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Czarina J. Roxas?

Dr. Czarina J. Roxas is an emergency medicine physician in Santa Monica, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Czarina J. Roxas practice?

Dr. Roxas practices at 901 Wilshire Blvd Fl 1 Fl 1, Santa Monica, CA 90401-1854. Dr. Roxas' primary practice is Saint John's Physician Partners in Santa Monica, California. Dmand AI also links Dr. Roxas to 2 group practices and clinics and 2 medical groups.

What is Dr. Czarina J. Roxas' office phone number?

The practice phone on file for Dr. Roxas is (310) 829-8903.

What is Dr. Czarina J. Roxas' medical license number?

Dr. Roxas holds California license A107056, one of the licenses on file in 3 states.

Which states has Dr. Czarina J. Roxas been licensed in?

Dmand AI has state licenses on file for Dr. Roxas in California (2009 to 2027), Massachusetts (2008 to 2011) and New York (2006 to 2011).

Which hospitals is Dr. Czarina J. Roxas affiliated with?

Dr. Roxas is affiliated with Providence Saint John's Health Center.

What medical group is Dr. Czarina J. Roxas part of?

Dr. Roxas is linked to Saint John's Physician Partners. Dmand AI links Dr. Roxas to 2 more medical groups.

Does Dr. Czarina J. Roxas accept Medicare?

Yes. CMS data shows Dr. Roxas billed Medicare for 245 services in 2024, and Dr. Roxas accepts Medicare assignment.

What is Dr. Czarina J. Roxas' MIPS score?

Dr. Roxas' MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Czarina J. Roxas see?

CMS counts 182 Medicare patients who saw Dr. Roxas in 2024, with an average age of 76.

Is Dr. Czarina J. Roxas board certified?

Yes. Dr. Roxas is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Dr. Czarina J. Roxas bill to Medicare?

In 2024, Dr. Roxas' most billed Medicare services were heart test or procedure (93010), office visit, established patient (99214) and emergency department visit (99285).

Where did Dr. Czarina J. Roxas go to medical school?

Dr. Roxas graduated from Uconn School Of Medicine in 2003.

What drugs does Dr. Czarina J. Roxas prescribe most?

In 2024 Medicare Part D data, Dr. Roxas' most prescribed drugs by claims were Cephalexin and Azithromycin.

Has Dr. Czarina J. Roxas received payments from drug or device companies?

CMS Open Payments shows $110 in general payments to Dr. Roxas from 3 companies from 2017 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Czarina J. Roxas been practicing?

Dr. Roxas graduated from medical school in 2003, 23 years ago.

Does Dr. Czarina J. Roxas do research?

Dmand AI links 1 publication to Dr. Roxas.

What insurance does Dr. Czarina J. Roxas accept?

Dr. Roxas is in network with 14 carriers, including United Healthcare, Elevance and Aetna. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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